【摘要】 介绍一种基于两条激光束构成的简易车速测量方法,该方法简单易行,设备维护方便,抗干扰性强,具有较高的性价比。更多还原

【Abstract】 It introduced a kind of design for measuring the vehicle-speed based on two laser beams.The design has simple circuit-composition,a stable and reliable character and a higher character-price ratio.更多还原